Is it harder to stop a large truck that a small car when both are moving at the same velocity? why or why not?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Enzymes affect the reactions in living cells by changing the